[Credo] write large numbers with underscore separation

lib/pleroma/application.ex

@@ -48,7 +48,7 @@ def start(_type, _args) do
           [
             :user_cache,
             [
-              default_ttl: 25000,
+              default_ttl: 25_000,
               ttl_interval: 1000,
               limit: 2500
             ]
@@ -60,7 +60,7 @@ def start(_type, _args) do
           [
             :object_cache,
             [
-              default_ttl: 25000,
+              default_ttl: 25_000,
               ttl_interval: 1000,
               limit: 2500
             ]

lib/pleroma/user.ex

@@ -285,7 +285,7 @@ def needs_update?(%User{local: true}), do: false
   def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true
 
   def needs_update?(%User{local: false} = user) do
-    NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
+    NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86_400
   end
 
   def needs_update?(_), do: true

lib/pleroma/web/channels/user_socket.ex

@@ -23,7 +23,7 @@ defmodule Pleroma.Web.UserSocket do
   # performing token verification on connect.
   def connect(%{"token" => token}, socket) do
     with true <- Pleroma.Config.get([:chat, :enabled]),
-         {:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84600),
+         {:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84_600),
          %User{} = user <- Pleroma.Repo.get(User, user_id) do
       {:ok, assign(socket, :user_name, user.nickname)}
     else

lib/pleroma/web/salmon/salmon.ex

@@ -86,10 +86,10 @@ def encode_key({:RSAPublicKey, modulus, exponent}) do
   # Native generation of RSA keys is only available since OTP 20+ and in default build conditions
   # We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
   try do
-    _ = :public_key.generate_key({:rsa, 2048, 65537})
+    _ = :public_key.generate_key({:rsa, 2048, 65_537})
 
     def generate_rsa_pem do
-      key = :public_key.generate_key({:rsa, 2048, 65537})
+      key = :public_key.generate_key({:rsa, 2048, 65_537})
       entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
       pem = :public_key.pem_encode([entry]) |> String.trim_trailing()
       {:ok, pem}